albumen vs ricin toxin

albumen and ricin toxin both are nouns.

Word	Noun	Adjective	Verb	Adverb
albumen	Yes	No	No	No
ricin toxin	Yes	No	No	No

As nouns, ricin toxin is a hyponym of albumen; that is, ricin toxin is a word with a more specific, narrower meaning than albumen:

albumen: a simple water-soluble protein found in many animal tissues and liquids
ricin toxin: a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon

Other hyponyms of albumen include ricin, lactalbumin, serum albumin.

albumen (noun)	ricin toxin (noun)
the white part of an egg; the nutritive and protective gelatinous substance surrounding the yolk consisting mainly of albumin dissolved in water	a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon
a simple water-soluble protein found in many animal tissues and liquids